envsetup: Stop looking at CHROME_ANDROID_OFFICIAL_BUILD.

build/android/envsetup.sh

 #!/bin/bash
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Sets up environment for building Chromium on Android.
 
 # Make sure we're being sourced (possibly by another script). Check for bash
 # since zsh sets $0 when sourcing.
 if [[ -n "$BASH_VERSION" && "${BASH_SOURCE:-$0}" == "$0" ]]; then
@@ skipping 30 matching lines @@
 fi
 
 # Add Android SDK tools to system path.
 export PATH=$PATH:${ANDROID_SDK_ROOT}/tools
 export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools
 
 # Add Chromium Android development scripts to system path.
 # Must be after CHROME_SRC is set.
 export PATH=$PATH:${CHROME_SRC}/build/android
 
-if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
-  # These defines are used by various chrome build scripts to tag the binary's
-  # version string as 'official' in linux builds (e.g. in
-  # chrome/trunk/src/chrome/tools/build/version.py).
-  export OFFICIAL_BUILD=1
-  export CHROMIUM_BUILD="_google_chrome"
-  export CHROME_BUILD_TYPE="_official"
-fi
-
 android_gyp() {
   echo "Please call build/gyp_chromium instead. android_gyp is going away."
   "${CHROME_SRC}/build/gyp_chromium" --depth="${CHROME_SRC}" --check "$@"
 }